/Engine/Source/Runtime/ClothingSystemRuntimeInterface/Public/ClothingSimulationInterface.h
Called by the engine when an external object wants to inject collision data into this simulation above and beyond what is specified in the asset for the internal actors Examples: Scene collision, collision for parents we are attached to
void AddExternalCollisions ( const [FClothCollisionData](API\Runtime\ClothingSystemRuntimeInterface\FClothCollisionData) & InData )